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Showing 1 - 5 of 5 matches in All departments

Modeling Carbon and Nitrogen Dynamics for Soil Management (Paperback): M.J. Shaffer, Liwang Ma, Soren Hansen Modeling Carbon and Nitrogen Dynamics for Soil Management (Paperback)
M.J. Shaffer, Liwang Ma, Soren Hansen
R1,544 Discovery Miles 15 440 Ships in 12 - 17 working days

Good management practices for carbon and nitrogen are vital to crop productivity and soil sustainability, as well as to the reduction of global greenhouse gases and environmental pollution. Since the 1950's, mathematical models have advanced our understanding of carbon and nitrogen cycling at both the micro- and macro-scales. However, many of the models are scattered in the literature, undergo constant modification, and similar models can have different names. Modeling Carbon and Nitrogen Dynamics for Soil Management clarifies the confusion by presenting a systematic summary of the various models available. It provides information about strengths and weaknesses, level of complexity, easiness of use, and application range of each model. In nineteen chapters, internationally known model developers and users update you on the current status and future direction of carbon and nitrogen modeling. The book's coverage ranges from theoretical comparison of models to application of models to soil management problems, from laboratory applications to field and watershed scale applications, from short-term simulation to long-term prediction, and from DOS-based computer programs to Object-Oriented and Graphical Interface designs. With this broad scope, Modeling Carbon and Nitrogen Dynamics for Soil Management provides the tools to manage complex carbon/nitrogen processes effectively.

Modeling Carbon and Nitrogen Dynamics for Soil Management (Hardcover): M.J. Shaffer, Liwang Ma, Soren Hansen Modeling Carbon and Nitrogen Dynamics for Soil Management (Hardcover)
M.J. Shaffer, Liwang Ma, Soren Hansen
R3,849 Discovery Miles 38 490 Ships in 12 - 17 working days

Good management practices for carbon and nitrogen are vital to crop productivity and soil sustainability, as well as to the reduction of global greenhouse gases and environmental pollution. Since the 1950's, mathematical models have advanced our understanding of carbon and nitrogen cycling at both the micro- and macro-scales. However, many of the models are scattered in the literature, undergo constant modification, and similar models can have different names.

Modeling Carbon and Nitrogen Dynamics for Soil Management clarifies the confusion by presenting a systematic summary of the various models available. It provides information about strengths and weaknesses, level of complexity, easiness of use, and application range of each model. In nineteen chapters, internationally known model developers and users update you on the current status and future direction of carbon and nitrogen modeling.

The book's coverage ranges from theoretical comparison of models to application of models to soil management problems, from laboratory applications to field and watershed scale applications, from short-term simulation to long-term prediction, and from DOS-based computer programs to Object-Oriented and Graphical Interface designs. With this broad scope, Modeling Carbon and Nitrogen Dynamics for Soil Management provides the tools to manage complex carbon/nitrogen processes effectively.

The Little Red Schoolbook (Paperback, 3rd original and uncensored ed): Soren Hansen, Jesper Jensen The Little Red Schoolbook (Paperback, 3rd original and uncensored ed)
Soren Hansen, Jesper Jensen 1
R156 R137 Discovery Miles 1 370 Save R19 (12%) Ships in 12 - 17 working days

When it first appeared in the 1970s, The Little Red Schoolbook was banned by the UK authorities, which confiscated copies and prosecuted the publisher under the Obscene Publications Act. Why? Because this little book aimed to educate teenagers about democracy, sex and drugs - in frank, simple language - and encouraged them to view adults as "paper tigers". The Little Red Schoolbook has been unavailable for more than 40 years, but it remains surprisingly relevant for young people today. Reissued here in its original and uncensored format, with informative footnotes and a new foreword by the surviving author Soren Hansen, it encourages teenagers to have the confidence to seek information for themselves, challenge authority and question the status quo.

Through the Unknown Pamirs - The Second Danish Pamir Expedition 1898-99 (Paperback): Ole Olufsen, Soren Hansen Through the Unknown Pamirs - The Second Danish Pamir Expedition 1898-99 (Paperback)
Ole Olufsen, Soren Hansen
R574 R483 Discovery Miles 4 830 Save R91 (16%) Ships in 7 - 11 working days
New Politics - Bad Girl In Harlem CD (2013) (CD): New Politics New Politics - Bad Girl In Harlem CD (2013) (CD)
New Politics; Produced by Jake Sinclair, Oliver Straus, Soren Hansen, Jon Kaplan; Performed by …
R194 Discovery Miles 1 940 Out of stock
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